The quantitation of how much time constitutes short and recent varies by disease and by context, but the core denotation of acute is always qualitatively in contrast with chronic, which denotes long-lasting disease (for example, in acute leukemia and chronic leukemia).
View full size image. Thomas Edison is usually credited with the invention of the light bulb, but the famous American inventor wasn't the only one who contributed to the development of this revolutionary technology.
Heinrich Goebel gÃ¶bel in 1893 claimed he had designed the first incandescent light bulb in, 1854 with a thin carbonized bamboo filament of high, resistance platinum-lead in wires in an-all glass, envelope and a high. vacuum